23. Engility

The government services firm got its start this year, after New York-based defense contractor L-3 Communications spun off the roughly $1.6 billion business. Engility, whose services span specialized engineering consulting to logistical support overseas, is now led by Tony Smeraglinolo, former executive vice president of L-3’s services group. The company announced a voluntary employment separation program for employees and said it plans to eliminate some internal divisions.